Finding the Fourth Proportional to 156,010.68, 233,803.98 and 65,978.58

Step by Step Solution

1. Step 1: Write the proportion equation
   156,010.68 : 233,803.98 = 65,978.58 : x
2. Step 2: Convert to fraction form
   156,010.68/233,803.98 = 65,978.58/x
3. Step 3: Cross multiply
   156,010.68x = 233,803.98 × 65,978.58
4. Step 4: Simplify right side
   156,010.68x = 15,426,054,598.75
5. Step 5: Solve for x
   x = 15,426,054,598.75/156,010.68
6. Step 6: Final answer
   x = 98,878.20