Finding the Fourth Proportional to 151,781,142.58, 209,457,932.61 and 82,166,472.34

Step by Step Solution

1. Step 1: Write the proportion equation
   151,781,142.58 : 209,457,932.61 = 82,166,472.34 : x
2. Step 2: Convert to fraction form
   151,781,142.58/209,457,932.61 = 82,166,472.34/x
3. Step 3: Cross multiply
   151,781,142.58x = 209,457,932.61 × 82,166,472.34
4. Step 4: Simplify right side
   151,781,142.58x = 17,210,419,426,193,150
5. Step 5: Solve for x
   x = 17,210,419,426,193,150/151,781,142.58
6. Step 6: Final answer
   x = 113,389,707.93