Finding the Fourth Proportional to 58,281, 87,436.86 and 20,844.78

Step by Step Solution

1. Step 1: Write the proportion equation
   58,281 : 87,436.86 = 20,844.78 : x
2. Step 2: Convert to fraction form
   58,281/87,436.86 = 20,844.78/x
3. Step 3: Cross multiply
   58,281x = 87,436.86 × 20,844.78
4. Step 4: Simplify right side
   58,281x = 1,822,602,110.59
5. Step 5: Solve for x
   x = 1,822,602,110.59/58,281
6. Step 6: Final answer
   x = 31,272.66