Finding the Fourth Proportional to 28,608,105.22, 42,908,117.55 and 9,174,805.98

Step by Step Solution

1. Step 1: Write the proportion equation
   28,608,105.22 : 42,908,117.55 = 9,174,805.98 : x
2. Step 2: Convert to fraction form
   28,608,105.22/42,908,117.55 = 9,174,805.98/x
3. Step 3: Cross multiply
   28,608,105.22x = 42,908,117.55 × 9,174,805.98
4. Step 4: Simplify right side
   28,608,105.22x = 393,673,653,488,282.94
5. Step 5: Solve for x
   x = 393,673,653,488,282.94/28,608,105.22
6. Step 6: Final answer
   x = 13,760,913.23