Finding the Fourth Proportional to 1,566.15, 2,346.59 and 947.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566.15 : 2,346.59 = 947.99 : x
2. Step 2: Convert to fraction form
   1,566.15/2,346.59 = 947.99/x
3. Step 3: Cross multiply
   1,566.15x = 2,346.59 × 947.99
4. Step 4: Simplify right side
   1,566.15x = 2,224,527.38
5. Step 5: Solve for x
   x = 2,224,527.38/1,566.15
6. Step 6: Final answer
   x = 1,420.38