Finding the Fourth Proportional to 101,887.25, 152,473.32 and 81,847.50

Step by Step Solution

1. Step 1: Write the proportion equation
   101,887.25 : 152,473.32 = 81,847.50 : x
2. Step 2: Convert to fraction form
   101,887.25/152,473.32 = 81,847.50/x
3. Step 3: Cross multiply
   101,887.25x = 152,473.32 × 81,847.50
4. Step 4: Simplify right side
   101,887.25x = 12,479,559,486.93
5. Step 5: Solve for x
   x = 12,479,559,486.93/101,887.25
6. Step 6: Final answer
   x = 122,484.01