Finding the Fourth Proportional to 12,111,473.93, 18,152,251.28 and 10,393,541.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,111,473.93 : 18,152,251.28 = 10,393,541.69 : x
2. Step 2: Convert to fraction form
   12,111,473.93/18,152,251.28 = 10,393,541.69/x
3. Step 3: Cross multiply
   12,111,473.93x = 18,152,251.28 × 10,393,541.69
4. Step 4: Simplify right side
   12,111,473.93x = 188,666,180,394,068.12
5. Step 5: Solve for x
   x = 188,666,180,394,068.12/12,111,473.93
6. Step 6: Final answer
   x = 15,577,474.84