Finding the Fourth Proportional to 70,400.28, 97,182.81 and 42,100.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,400.28 : 97,182.81 = 42,100.50 : x
2. Step 2: Convert to fraction form
   70,400.28/97,182.81 = 42,100.50/x
3. Step 3: Cross multiply
   70,400.28x = 97,182.81 × 42,100.50
4. Step 4: Simplify right side
   70,400.28x = 4,091,444,892.41
5. Step 5: Solve for x
   x = 4,091,444,892.41/70,400.28
6. Step 6: Final answer
   x = 58,116.88