Finding the Fourth Proportional to 102,478.06, 153,667.83 and 58,092.90

Step by Step Solution

1. Step 1: Write the proportion equation
   102,478.06 : 153,667.83 = 58,092.90 : x
2. Step 2: Convert to fraction form
   102,478.06/153,667.83 = 58,092.90/x
3. Step 3: Cross multiply
   102,478.06x = 153,667.83 × 58,092.90
4. Step 4: Simplify right side
   102,478.06x = 8,927,009,523.00
5. Step 5: Solve for x
   x = 8,927,009,523.00/102,478.06
6. Step 6: Final answer
   x = 87,111.42