Finding the Fourth Proportional to 12,111,475.43, 18,152,253.52 and 10,393,543.19

Step by Step Solution

1. Step 1: Write the proportion equation
   12,111,475.43 : 18,152,253.52 = 10,393,543.19 : x
2. Step 2: Convert to fraction form
   12,111,475.43/18,152,253.52 = 10,393,543.19/x
3. Step 3: Cross multiply
   12,111,475.43x = 18,152,253.52 × 10,393,543.19
4. Step 4: Simplify right side
   12,111,475.43x = 188,666,230,955,949.50
5. Step 5: Solve for x
   x = 188,666,230,955,949.50/12,111,475.43
6. Step 6: Final answer
   x = 15,577,477.08