Finding the Fourth Proportional to 120,913,499.63, 166,808,084.33 and 76,836,898.73

Step by Step Solution

1. Step 1: Write the proportion equation
   120,913,499.63 : 166,808,084.33 = 76,836,898.73 : x
2. Step 2: Convert to fraction form
   120,913,499.63/166,808,084.33 = 76,836,898.73/x
3. Step 3: Cross multiply
   120,913,499.63x = 166,808,084.33 × 76,836,898.73
4. Step 4: Simplify right side
   120,913,499.63x = 12,817,015,882,625,326
5. Step 5: Solve for x
   x = 12,817,015,882,625,326/120,913,499.63
6. Step 6: Final answer
   x = 106,001,529.37