Finding the Fourth Proportional to 208,123.34, 287,210.18 and 112,630.04

Step by Step Solution

1. Step 1: Write the proportion equation
   208,123.34 : 287,210.18 = 112,630.04 : x
2. Step 2: Convert to fraction form
   208,123.34/287,210.18 = 112,630.04/x
3. Step 3: Cross multiply
   208,123.34x = 287,210.18 × 112,630.04
4. Step 4: Simplify right side
   208,123.34x = 32,348,494,061.81
5. Step 5: Solve for x
   x = 32,348,494,061.81/208,123.34
6. Step 6: Final answer
   x = 155,429.44