Finding the Fourth Proportional to 85,163,490.72, 117,525,501.72 and 48,494,061.72

Step by Step Solution

1. Step 1: Write the proportion equation
   85,163,490.72 : 117,525,501.72 = 48,494,061.72 : x
2. Step 2: Convert to fraction form
   85,163,490.72/117,525,501.72 = 48,494,061.72/x
3. Step 3: Cross multiply
   85,163,490.72x = 117,525,501.72 × 48,494,061.72
4. Step 4: Simplify right side
   85,163,490.72x = 5,699,288,934,083,646
5. Step 5: Solve for x
   x = 5,699,288,934,083,646/85,163,490.72
6. Step 6: Final answer
   x = 66,921,739.42