Finding the Fourth Proportional to 110,666,429.19, 166,057,092.42 and 45,135,642.72

Step by Step Solution

1. Step 1: Write the proportion equation
   110,666,429.19 : 166,057,092.42 = 45,135,642.72 : x
2. Step 2: Convert to fraction form
   110,666,429.19/166,057,092.42 = 45,135,642.72/x
3. Step 3: Cross multiply
   110,666,429.19x = 166,057,092.42 × 45,135,642.72
4. Step 4: Simplify right side
   110,666,429.19x = 7,495,093,594,591,139
5. Step 5: Solve for x
   x = 7,495,093,594,591,139/110,666,429.19
6. Step 6: Final answer
   x = 67,726,894.68