Finding the Fourth Proportional to 108,870.84, 163,153.98 and 58,978.08

Step by Step Solution

1. Step 1: Write the proportion equation
   108,870.84 : 163,153.98 = 58,978.08 : x
2. Step 2: Convert to fraction form
   108,870.84/163,153.98 = 58,978.08/x
3. Step 3: Cross multiply
   108,870.84x = 163,153.98 × 58,978.08
4. Step 4: Simplify right side
   108,870.84x = 9,622,508,484.76
5. Step 5: Solve for x
   x = 9,622,508,484.76/108,870.84
6. Step 6: Final answer
   x = 88,384.63