Finding the Fourth Proportional to 118,018.96, 162,866.88 and 70,274.32

Step by Step Solution

1. Step 1: Write the proportion equation
   118,018.96 : 162,866.88 = 70,274.32 : x
2. Step 2: Convert to fraction form
   118,018.96/162,866.88 = 70,274.32/x
3. Step 3: Cross multiply
   118,018.96x = 162,866.88 × 70,274.32
4. Step 4: Simplify right side
   118,018.96x = 11,445,359,242.52
5. Step 5: Solve for x
   x = 11,445,359,242.52/118,018.96
6. Step 6: Final answer
   x = 96,978.99