Finding the Fourth Proportional to 57,537,498.82, 86,340,298.02 and 21,171,426.16

Step by Step Solution

1. Step 1: Write the proportion equation
   57,537,498.82 : 86,340,298.02 = 21,171,426.16 : x
2. Step 2: Convert to fraction form
   57,537,498.82/86,340,298.02 = 21,171,426.16/x
3. Step 3: Cross multiply
   57,537,498.82x = 86,340,298.02 × 21,171,426.16
4. Step 4: Simplify right side
   57,537,498.82x = 1,827,947,244,162,824.25
5. Step 5: Solve for x
   x = 1,827,947,244,162,824.25/57,537,498.82
6. Step 6: Final answer
   x = 31,769,668.16