Finding the Fourth Proportional to 77,792,810.79, 107,354,043.44 and 42,985,196.76

Step by Step Solution

1. Step 1: Write the proportion equation
   77,792,810.79 : 107,354,043.44 = 42,985,196.76 : x
2. Step 2: Convert to fraction form
   77,792,810.79/107,354,043.44 = 42,985,196.76/x
3. Step 3: Cross multiply
   77,792,810.79x = 107,354,043.44 × 42,985,196.76
4. Step 4: Simplify right side
   77,792,810.79x = 4,614,634,680,035,061
5. Step 5: Solve for x
   x = 4,614,634,680,035,061/77,792,810.79
6. Step 6: Final answer
   x = 59,319,551.94