Finding the Fourth Proportional to 91,851.57, 137,645.82 and 52,327.08

Step by Step Solution

1. Step 1: Write the proportion equation
   91,851.57 : 137,645.82 = 52,327.08 : x
2. Step 2: Convert to fraction form
   91,851.57/137,645.82 = 52,327.08/x
3. Step 3: Cross multiply
   91,851.57x = 137,645.82 × 52,327.08
4. Step 4: Simplify right side
   91,851.57x = 7,202,603,834.81
5. Step 5: Solve for x
   x = 7,202,603,834.81/91,851.57
6. Step 6: Final answer
   x = 78,415.69