Finding the Fourth Proportional to 38,784.81, 53,528.82 and 23,686.16

Step by Step Solution

1. Step 1: Write the proportion equation
   38,784.81 : 53,528.82 = 23,686.16 : x
2. Step 2: Convert to fraction form
   38,784.81/53,528.82 = 23,686.16/x
3. Step 3: Cross multiply
   38,784.81x = 53,528.82 × 23,686.16
4. Step 4: Simplify right side
   38,784.81x = 1,267,892,038.52
5. Step 5: Solve for x
   x = 1,267,892,038.52/38,784.81
6. Step 6: Final answer
   x = 32,690.43