Finding the Fourth Proportional to 123,467,575.60, 170,372,978.06 and 71,273,426.40

Step by Step Solution

1. Step 1: Write the proportion equation
   123,467,575.60 : 170,372,978.06 = 71,273,426.40 : x
2. Step 2: Convert to fraction form
   123,467,575.60/170,372,978.06 = 71,273,426.40/x
3. Step 3: Cross multiply
   123,467,575.60x = 170,372,978.06 × 71,273,426.40
4. Step 4: Simplify right side
   123,467,575.60x = 12,143,065,912,308,226
5. Step 5: Solve for x
   x = 12,143,065,912,308,226/123,467,575.60
6. Step 6: Final answer
   x = 98,350,241.78