Finding the Fourth Proportional to 102,480.26, 152,701.59 and 91,301.04

Step by Step Solution

1. Step 1: Write the proportion equation
   102,480.26 : 152,701.59 = 91,301.04 : x
2. Step 2: Convert to fraction form
   102,480.26/152,701.59 = 91,301.04/x
3. Step 3: Cross multiply
   102,480.26x = 152,701.59 × 91,301.04
4. Step 4: Simplify right side
   102,480.26x = 13,941,814,147.84
5. Step 5: Solve for x
   x = 13,941,814,147.84/102,480.26
6. Step 6: Final answer
   x = 136,043.91