Finding the Fourth Proportional to 106,819.86, 147,366.89 and 61,487.00

Step by Step Solution

1. Step 1: Write the proportion equation
   106,819.86 : 147,366.89 = 61,487.00 : x
2. Step 2: Convert to fraction form
   106,819.86/147,366.89 = 61,487.00/x
3. Step 3: Cross multiply
   106,819.86x = 147,366.89 × 61,487.00
4. Step 4: Simplify right side
   106,819.86x = 9,061,147,704.36
5. Step 5: Solve for x
   x = 9,061,147,704.36/106,819.86
6. Step 6: Final answer
   x = 84,826.43