Finding the Fourth Proportional to 78,846.32, 118,285.05 and 28,926.83

Step by Step Solution

1. Step 1: Write the proportion equation
   78,846.32 : 118,285.05 = 28,926.83 : x
2. Step 2: Convert to fraction form
   78,846.32/118,285.05 = 28,926.83/x
3. Step 3: Cross multiply
   78,846.32x = 118,285.05 × 28,926.83
4. Step 4: Simplify right side
   78,846.32x = 3,421,610,941.47
5. Step 5: Solve for x
   x = 3,421,610,941.47/78,846.32
6. Step 6: Final answer
   x = 43,395.95