Finding the Fourth Proportional to 42,888,287.92, 64,364,323.20 and 17,329,518.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,888,287.92 : 64,364,323.20 = 17,329,518.76 : x
2. Step 2: Convert to fraction form
   42,888,287.92/64,364,323.20 = 17,329,518.76/x
3. Step 3: Cross multiply
   42,888,287.92x = 64,364,323.20 × 17,329,518.76
4. Step 4: Simplify right side
   42,888,287.92x = 1,115,402,746,369,103.38
5. Step 5: Solve for x
   x = 1,115,402,746,369,103.38/42,888,287.92
6. Step 6: Final answer
   x = 26,007,164.20