Finding the Fourth Proportional to 11,385,917.12, 17,088,979.52 and 5,323,946.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,385,917.12 : 17,088,979.52 = 5,323,946.72 : x
2. Step 2: Convert to fraction form
   11,385,917.12/17,088,979.52 = 5,323,946.72/x
3. Step 3: Cross multiply
   11,385,917.12x = 17,088,979.52 × 5,323,946.72
4. Step 4: Simplify right side
   11,385,917.12x = 90,980,816,463,651.17
5. Step 5: Solve for x
   x = 90,980,816,463,651.17/11,385,917.12
6. Step 6: Final answer
   x = 7,990,644.54