Finding the Fourth Proportional to 39,960,943.02, 55,146,100.55 and 21,626,228.52

Step by Step Solution

1. Step 1: Write the proportion equation
   39,960,943.02 : 55,146,100.55 = 21,626,228.52 : x
2. Step 2: Convert to fraction form
   39,960,943.02/55,146,100.55 = 21,626,228.52/x
3. Step 3: Cross multiply
   39,960,943.02x = 55,146,100.55 × 21,626,228.52
4. Step 4: Simplify right side
   39,960,943.02x = 1,192,602,172,373,066.50
5. Step 5: Solve for x
   x = 1,192,602,172,373,066.50/39,960,943.02
6. Step 6: Final answer
   x = 29,844,194.91