Finding the Fourth Proportional to 58,870.73, 88,309.15 and 19,430.93

Step by Step Solution

1. Step 1: Write the proportion equation
   58,870.73 : 88,309.15 = 19,430.93 : x
2. Step 2: Convert to fraction form
   58,870.73/88,309.15 = 19,430.93/x
3. Step 3: Cross multiply
   58,870.73x = 88,309.15 × 19,430.93
4. Step 4: Simplify right side
   58,870.73x = 1,715,929,084.21
5. Step 5: Solve for x
   x = 1,715,929,084.21/58,870.73
6. Step 6: Final answer
   x = 29,147.41