Finding the Fourth Proportional to 245,581.55, 368,384.62 and 87,810.02

Step by Step Solution

1. Step 1: Write the proportion equation
   245,581.55 : 368,384.62 = 87,810.02 : x
2. Step 2: Convert to fraction form
   245,581.55/368,384.62 = 87,810.02/x
3. Step 3: Cross multiply
   245,581.55x = 368,384.62 × 87,810.02
4. Step 4: Simplify right side
   245,581.55x = 32,347,860,849.89
5. Step 5: Solve for x
   x = 32,347,860,849.89/245,581.55
6. Step 6: Final answer
   x = 131,719.43