Finding the Fourth Proportional to 70,811.01, 97,728.53 and 42,518.52

Step by Step Solution

1. Step 1: Write the proportion equation
   70,811.01 : 97,728.53 = 42,518.52 : x
2. Step 2: Convert to fraction form
   70,811.01/97,728.53 = 42,518.52/x
3. Step 3: Cross multiply
   70,811.01x = 97,728.53 × 42,518.52
4. Step 4: Simplify right side
   70,811.01x = 4,155,272,244.78
5. Step 5: Solve for x
   x = 4,155,272,244.78/70,811.01
6. Step 6: Final answer
   x = 58,681.16