Finding the Fourth Proportional to 830,402.22, 1,145,978.91 and 467,830.02

Step by Step Solution

1. Step 1: Write the proportion equation
   830,402.22 : 1,145,978.91 = 467,830.02 : x
2. Step 2: Convert to fraction form
   830,402.22/1,145,978.91 = 467,830.02/x
3. Step 3: Cross multiply
   830,402.22x = 1,145,978.91 × 467,830.02
4. Step 4: Simplify right side
   830,402.22x = 536,123,336,384.88
5. Step 5: Solve for x
   x = 536,123,336,384.88/830,402.22
6. Step 6: Final answer
   x = 645,618.86