Finding the Fourth Proportional to 70,680.59, 97,531.01 and 42,001.46

Step by Step Solution

1. Step 1: Write the proportion equation
   70,680.59 : 97,531.01 = 42,001.46 : x
2. Step 2: Convert to fraction form
   70,680.59/97,531.01 = 42,001.46/x
3. Step 3: Cross multiply
   70,680.59x = 97,531.01 × 42,001.46
4. Step 4: Simplify right side
   70,680.59x = 4,096,444,640.86
5. Step 5: Solve for x
   x = 4,096,444,640.86/70,680.59
6. Step 6: Final answer
   x = 57,957.14