Finding the Fourth Proportional to 77,654,796.71, 107,165,862.47 and 42,849,728.51

Step by Step Solution

1. Step 1: Write the proportion equation
   77,654,796.71 : 107,165,862.47 = 42,849,728.51 : x
2. Step 2: Convert to fraction form
   77,654,796.71/107,165,862.47 = 42,849,728.51/x
3. Step 3: Cross multiply
   77,654,796.71x = 107,165,862.47 × 42,849,728.51
4. Step 4: Simplify right side
   77,654,796.71x = 4,592,028,111,950,793
5. Step 5: Solve for x
   x = 4,592,028,111,950,793/77,654,796.71
6. Step 6: Final answer
   x = 59,133,863.03