Finding the Fourth Proportional to 58,990,049.28, 88,485,353.72 and 18,049,423.12

Step by Step Solution

1. Step 1: Write the proportion equation
   58,990,049.28 : 88,485,353.72 = 18,049,423.12 : x
2. Step 2: Convert to fraction form
   58,990,049.28/88,485,353.72 = 18,049,423.12/x
3. Step 3: Cross multiply
   58,990,049.28x = 88,485,353.72 × 18,049,423.12
4. Step 4: Simplify right side
   58,990,049.28x = 1,597,109,589,215,146
5. Step 5: Solve for x
   x = 1,597,109,589,215,146/58,990,049.28
6. Step 6: Final answer
   x = 27,074,220.29