Finding the Fourth Proportional to 11,443,123.84, 17,148,725.52 and 8,599,907.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,443,123.84 : 17,148,725.52 = 8,599,907.20 : x
2. Step 2: Convert to fraction form
   11,443,123.84/17,148,725.52 = 8,599,907.20/x
3. Step 3: Cross multiply
   11,443,123.84x = 17,148,725.52 × 8,599,907.20
4. Step 4: Simplify right side
   11,443,123.84x = 147,477,448,070,271.72
5. Step 5: Solve for x
   x = 147,477,448,070,271.72/11,443,123.84
6. Step 6: Final answer
   x = 12,887,866.12