Finding the Fourth Proportional to 91,010.55, 136,535.29 and 31,848.15

Step by Step Solution

1. Step 1: Write the proportion equation
   91,010.55 : 136,535.29 = 31,848.15 : x
2. Step 2: Convert to fraction form
   91,010.55/136,535.29 = 31,848.15/x
3. Step 3: Cross multiply
   91,010.55x = 136,535.29 × 31,848.15
4. Step 4: Simplify right side
   91,010.55x = 4,348,396,828.60
5. Step 5: Solve for x
   x = 4,348,396,828.60/91,010.55
6. Step 6: Final answer
   x = 47,779.04