Finding the Fourth Proportional to 65,807,359.98, 90,908,752.39 and 52,559,142.96

Step by Step Solution

1. Step 1: Write the proportion equation
   65,807,359.98 : 90,908,752.39 = 52,559,142.96 : x
2. Step 2: Convert to fraction form
   65,807,359.98/90,908,752.39 = 52,559,142.96/x
3. Step 3: Cross multiply
   65,807,359.98x = 90,908,752.39 × 52,559,142.96
4. Step 4: Simplify right side
   65,807,359.98x = 4,778,086,113,277,126
5. Step 5: Solve for x
   x = 4,778,086,113,277,126/65,807,359.98
6. Step 6: Final answer
   x = 72,607,169.08