Finding the Fourth Proportional to 218,073,496.72, 327,113,094.30 and 72,507,058.10

Step by Step Solution

1. Step 1: Write the proportion equation
   218,073,496.72 : 327,113,094.30 = 72,507,058.10 : x
2. Step 2: Convert to fraction form
   218,073,496.72/327,113,094.30 = 72,507,058.10/x
3. Step 3: Cross multiply
   218,073,496.72x = 327,113,094.30 × 72,507,058.10
4. Step 4: Simplify right side
   218,073,496.72x = 23,718,008,133,680,876
5. Step 5: Solve for x
   x = 23,718,008,133,680,876/218,073,496.72
6. Step 6: Final answer
   x = 108,761,534.48