Finding the Fourth Proportional to 77,813,222.88, 107,395,310.88 and 52,683,936.72

Step by Step Solution

1. Step 1: Write the proportion equation
   77,813,222.88 : 107,395,310.88 = 52,683,936.72 : x
2. Step 2: Convert to fraction form
   77,813,222.88/107,395,310.88 = 52,683,936.72/x
3. Step 3: Cross multiply
   77,813,222.88x = 107,395,310.88 × 52,683,936.72
4. Step 4: Simplify right side
   77,813,222.88x = 5,658,007,762,426,647
5. Step 5: Solve for x
   x = 5,658,007,762,426,647/77,813,222.88
6. Step 6: Final answer
   x = 72,712,677.27