Finding the Fourth Proportional to 156,598.68, 234,740.34 and 90,018.84

Step by Step Solution

1. Step 1: Write the proportion equation
   156,598.68 : 234,740.34 = 90,018.84 : x
2. Step 2: Convert to fraction form
   156,598.68/234,740.34 = 90,018.84/x
3. Step 3: Cross multiply
   156,598.68x = 234,740.34 × 90,018.84
4. Step 4: Simplify right side
   156,598.68x = 21,131,053,108.01
5. Step 5: Solve for x
   x = 21,131,053,108.01/156,598.68
6. Step 6: Final answer
   x = 134,937.62