Finding the Fourth Proportional to 91,404,721.38, 126,138,501.86 and 52,247,338.94

Step by Step Solution

1. Step 1: Write the proportion equation
   91,404,721.38 : 126,138,501.86 = 52,247,338.94 : x
2. Step 2: Convert to fraction form
   91,404,721.38/126,138,501.86 = 52,247,338.94/x
3. Step 3: Cross multiply
   91,404,721.38x = 126,138,501.86 × 52,247,338.94
4. Step 4: Simplify right side
   91,404,721.38x = 6,590,401,060,063,240
5. Step 5: Solve for x
   x = 6,590,401,060,063,240/91,404,721.38
6. Step 6: Final answer
   x = 72,101,319.94