Finding the Fourth Proportional to 228,516,538.89, 342,666,751.69 and 88,522,562.79

Step by Step Solution

1. Step 1: Write the proportion equation
   228,516,538.89 : 342,666,751.69 = 88,522,562.79 : x
2. Step 2: Convert to fraction form
   228,516,538.89/342,666,751.69 = 88,522,562.79/x
3. Step 3: Cross multiply
   228,516,538.89x = 342,666,751.69 × 88,522,562.79
4. Step 4: Simplify right side
   228,516,538.89x = 30,333,739,042,523,364
5. Step 5: Solve for x
   x = 30,333,739,042,523,364/228,516,538.89
6. Step 6: Final answer
   x = 132,741,985.28