Finding the Fourth Proportional to 91,002.02, 136,509.50 and 31,852.58

Step by Step Solution

1. Step 1: Write the proportion equation
   91,002.02 : 136,509.50 = 31,852.58 : x
2. Step 2: Convert to fraction form
   91,002.02/136,509.50 = 31,852.58/x
3. Step 3: Cross multiply
   91,002.02x = 136,509.50 × 31,852.58
4. Step 4: Simplify right side
   91,002.02x = 4,348,179,166.59
5. Step 5: Solve for x
   x = 4,348,179,166.59/91,002.02
6. Step 6: Final answer
   x = 47,781.13