Finding the Fourth Proportional to 77,456,877.31, 106,892,842.40 and 42,650,813.35

Step by Step Solution

1. Step 1: Write the proportion equation
   77,456,877.31 : 106,892,842.40 = 42,650,813.35 : x
2. Step 2: Convert to fraction form
   77,456,877.31/106,892,842.40 = 42,650,813.35/x
3. Step 3: Cross multiply
   77,456,877.31x = 106,892,842.40 × 42,650,813.35
4. Step 4: Simplify right side
   77,456,877.31x = 4,559,066,669,653,366
5. Step 5: Solve for x
   x = 4,559,066,669,653,366/77,456,877.31
6. Step 6: Final answer
   x = 58,859,417.37