Finding the Fourth Proportional to 70,773.69, 97,635.50 and 42,077.07

Step by Step Solution

1. Step 1: Write the proportion equation
   70,773.69 : 97,635.50 = 42,077.07 : x
2. Step 2: Convert to fraction form
   70,773.69/97,635.50 = 42,077.07/x
3. Step 3: Cross multiply
   70,773.69x = 97,635.50 × 42,077.07
4. Step 4: Simplify right side
   70,773.69x = 4,108,215,873.18
5. Step 5: Solve for x
   x = 4,108,215,873.18/70,773.69
6. Step 6: Final answer
   x = 58,047.22