Finding the Fourth Proportional to 85,510.51, 118,002.09 and 47,784.76

Step by Step Solution

1. Step 1: Write the proportion equation
   85,510.51 : 118,002.09 = 47,784.76 : x
2. Step 2: Convert to fraction form
   85,510.51/118,002.09 = 47,784.76/x
3. Step 3: Cross multiply
   85,510.51x = 118,002.09 × 47,784.76
4. Step 4: Simplify right side
   85,510.51x = 5,638,701,550.15
5. Step 5: Solve for x
   x = 5,638,701,550.15/85,510.51
6. Step 6: Final answer
   x = 65,941.62