Finding the Fourth Proportional to 2,742,998,578.89, 3,785,652,060.42 and 1,537,665,373.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,742,998,578.89 : 3,785,652,060.42 = 1,537,665,373.50 : x
2. Step 2: Convert to fraction form
   2,742,998,578.89/3,785,652,060.42 = 1,537,665,373.50/x
3. Step 3: Cross multiply
   2,742,998,578.89x = 3,785,652,060.42 × 1,537,665,373.50
4. Step 4: Simplify right side
   2,742,998,578.89x = 5,821,066,089,426,763,776
5. Step 5: Solve for x
   x = 5,821,066,089,426,763,776/2,742,998,578.89
6. Step 6: Final answer
   x = 2,122,154,249.09