Finding the Fourth Proportional to 61,327.30, 91,925.34 and 31,715.32

Step by Step Solution

1. Step 1: Write the proportion equation
   61,327.30 : 91,925.34 = 31,715.32 : x
2. Step 2: Convert to fraction form
   61,327.30/91,925.34 = 31,715.32/x
3. Step 3: Cross multiply
   61,327.30x = 91,925.34 × 31,715.32
4. Step 4: Simplify right side
   61,327.30x = 2,915,441,574.21
5. Step 5: Solve for x
   x = 2,915,441,574.21/61,327.30
6. Step 6: Final answer
   x = 47,539.05