Finding the Fourth Proportional to 77,583, 116,381.25 and 21,423.18

Step by Step Solution

1. Step 1: Write the proportion equation
   77,583 : 116,381.25 = 21,423.18 : x
2. Step 2: Convert to fraction form
   77,583/116,381.25 = 21,423.18/x
3. Step 3: Cross multiply
   77,583x = 116,381.25 × 21,423.18
4. Step 4: Simplify right side
   77,583x = 2,493,256,467.38
5. Step 5: Solve for x
   x = 2,493,256,467.38/77,583
6. Step 6: Final answer
   x = 32,136.63