Finding the Fourth Proportional to 124,123,620.21, 171,290,595.22 and 71,942,923.02

Step by Step Solution

1. Step 1: Write the proportion equation
   124,123,620.21 : 171,290,595.22 = 71,942,923.02 : x
2. Step 2: Convert to fraction form
   124,123,620.21/171,290,595.22 = 71,942,923.02/x
3. Step 3: Cross multiply
   124,123,620.21x = 171,290,595.22 × 71,942,923.02
4. Step 4: Simplify right side
   124,123,620.21x = 12,323,146,105,962,440
5. Step 5: Solve for x
   x = 12,323,146,105,962,440/124,123,620.21
6. Step 6: Final answer
   x = 99,281,233.38