Finding the Fourth Proportional to 70,887.80, 97,807.50 and 45,707

Step by Step Solution

1. Step 1: Write the proportion equation
   70,887.80 : 97,807.50 = 45,707 : x
2. Step 2: Convert to fraction form
   70,887.80/97,807.50 = 45,707/x
3. Step 3: Cross multiply
   70,887.80x = 97,807.50 × 45,707
4. Step 4: Simplify right side
   70,887.80x = 4,470,487,402.50
5. Step 5: Solve for x
   x = 4,470,487,402.50/70,887.80
6. Step 6: Final answer
   x = 63,064.27