Finding the Fourth Proportional to 28,326,131.52, 42,417,448.56 and 17,564,449.92

Step by Step Solution

1. Step 1: Write the proportion equation
   28,326,131.52 : 42,417,448.56 = 17,564,449.92 : x
2. Step 2: Convert to fraction form
   28,326,131.52/42,417,448.56 = 17,564,449.92/x
3. Step 3: Cross multiply
   28,326,131.52x = 42,417,448.56 × 17,564,449.92
4. Step 4: Simplify right side
   28,326,131.52x = 745,039,150,966,296.25
5. Step 5: Solve for x
   x = 745,039,150,966,296.25/28,326,131.52
6. Step 6: Final answer
   x = 26,302,184.98