Finding the Fourth Proportional to 102,789, 141,848.82 and 58,077

Step by Step Solution

1. Step 1: Write the proportion equation
   102,789 : 141,848.82 = 58,077 : x
2. Step 2: Convert to fraction form
   102,789/141,848.82 = 58,077/x
3. Step 3: Cross multiply
   102,789x = 141,848.82 × 58,077
4. Step 4: Simplify right side
   102,789x = 8,238,153,919.14
5. Step 5: Solve for x
   x = 8,238,153,919.14/102,789
6. Step 6: Final answer
   x = 80,146.26