Finding the Fourth Proportional to 2,118,359,799.78, 3,178,254,791.25 and 937,777,429.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,359,799.78 : 3,178,254,791.25 = 937,777,429.14 : x
2. Step 2: Convert to fraction form
   2,118,359,799.78/3,178,254,791.25 = 937,777,429.14/x
3. Step 3: Cross multiply
   2,118,359,799.78x = 3,178,254,791.25 × 937,777,429.14
4. Step 4: Simplify right side
   2,118,359,799.78x = 2,980,495,607,290,312,192
5. Step 5: Solve for x
   x = 2,980,495,607,290,312,192/2,118,359,799.78
6. Step 6: Final answer
   x = 1,406,982,707.85