Finding the Fourth Proportional to 90,875.82, 125,513.64 and 60,608.55

Step by Step Solution

1. Step 1: Write the proportion equation
   90,875.82 : 125,513.64 = 60,608.55 : x
2. Step 2: Convert to fraction form
   90,875.82/125,513.64 = 60,608.55/x
3. Step 3: Cross multiply
   90,875.82x = 125,513.64 × 60,608.55
4. Step 4: Simplify right side
   90,875.82x = 7,607,199,725.62
5. Step 5: Solve for x
   x = 7,607,199,725.62/90,875.82
6. Step 6: Final answer
   x = 83,709.83