Finding the Fourth Proportional to 947,321.42, 1,308,176.61 and 608,380.16

Step by Step Solution

1. Step 1: Write the proportion equation
   947,321.42 : 1,308,176.61 = 608,380.16 : x
2. Step 2: Convert to fraction form
   947,321.42/1,308,176.61 = 608,380.16/x
3. Step 3: Cross multiply
   947,321.42x = 1,308,176.61 × 608,380.16
4. Step 4: Simplify right side
   947,321.42x = 795,868,695,300.06
5. Step 5: Solve for x
   x = 795,868,695,300.06/947,321.42
6. Step 6: Final answer
   x = 840,125.30