Finding the Fourth Proportional to 908,061.10, 1,362,271.16 and 268,376.34

Step by Step Solution

1. Step 1: Write the proportion equation
   908,061.10 : 1,362,271.16 = 268,376.34 : x
2. Step 2: Convert to fraction form
   908,061.10/1,362,271.16 = 268,376.34/x
3. Step 3: Cross multiply
   908,061.10x = 1,362,271.16 × 268,376.34
4. Step 4: Simplify right side
   908,061.10x = 365,601,348,008.35
5. Step 5: Solve for x
   x = 365,601,348,008.35/908,061.10
6. Step 6: Final answer
   x = 402,617.56