Finding the Fourth Proportional to 77,939,498.30, 107,552,131.41 and 42,657,231.26

Step by Step Solution

1. Step 1: Write the proportion equation
   77,939,498.30 : 107,552,131.41 = 42,657,231.26 : x
2. Step 2: Convert to fraction form
   77,939,498.30/107,552,131.41 = 42,657,231.26/x
3. Step 3: Cross multiply
   77,939,498.30x = 107,552,131.41 × 42,657,231.26
4. Step 4: Simplify right side
   77,939,498.30x = 4,587,876,142,062,279
5. Step 5: Solve for x
   x = 4,587,876,142,062,279/77,939,498.30
6. Step 6: Final answer
   x = 58,864,583.97