Finding the Fourth Proportional to 61,092.02, 91,687.55 and 31,518.32

Step by Step Solution

1. Step 1: Write the proportion equation
   61,092.02 : 91,687.55 = 31,518.32 : x
2. Step 2: Convert to fraction form
   61,092.02/91,687.55 = 31,518.32/x
3. Step 3: Cross multiply
   61,092.02x = 91,687.55 × 31,518.32
4. Step 4: Simplify right side
   61,092.02x = 2,889,836,924.89
5. Step 5: Solve for x
   x = 2,889,836,924.89/61,092.02
6. Step 6: Final answer
   x = 47,303.02