Finding the Fourth Proportional to 3,897,641,066.48, 5,844,126,820.70 and 1,240,549,422.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,897,641,066.48 : 5,844,126,820.70 = 1,240,549,422.12 : x
2. Step 2: Convert to fraction form
   3,897,641,066.48/5,844,126,820.70 = 1,240,549,422.12/x
3. Step 3: Cross multiply
   3,897,641,066.48x = 5,844,126,820.70 × 1,240,549,422.12
4. Step 4: Simplify right side
   3,897,641,066.48x = 7,249,928,150,209,174,528
5. Step 5: Solve for x
   x = 7,249,928,150,209,174,528/3,897,641,066.48
6. Step 6: Final answer
   x = 1,860,081,014.79