Finding the Fourth Proportional to 573,061.21, 859,695.56 and 188,830.55

Step by Step Solution

1. Step 1: Write the proportion equation
   573,061.21 : 859,695.56 = 188,830.55 : x
2. Step 2: Convert to fraction form
   573,061.21/859,695.56 = 188,830.55/x
3. Step 3: Cross multiply
   573,061.21x = 859,695.56 × 188,830.55
4. Step 4: Simplify right side
   573,061.21x = 162,336,785,427.36
5. Step 5: Solve for x
   x = 162,336,785,427.36/573,061.21
6. Step 6: Final answer
   x = 283,280.01