Finding the Fourth Proportional to 58,759.61, 88,120.71 and 19,307.61

Step by Step Solution

1. Step 1: Write the proportion equation
   58,759.61 : 88,120.71 = 19,307.61 : x
2. Step 2: Convert to fraction form
   58,759.61/88,120.71 = 19,307.61/x
3. Step 3: Cross multiply
   58,759.61x = 88,120.71 × 19,307.61
4. Step 4: Simplify right side
   58,759.61x = 1,701,400,301.60
5. Step 5: Solve for x
   x = 1,701,400,301.60/58,759.61
6. Step 6: Final answer
   x = 28,955.27