Finding the Fourth Proportional to 78,900.84, 118,510.56 and 47,370.93

Step by Step Solution

1. Step 1: Write the proportion equation
   78,900.84 : 118,510.56 = 47,370.93 : x
2. Step 2: Convert to fraction form
   78,900.84/118,510.56 = 47,370.93/x
3. Step 3: Cross multiply
   78,900.84x = 118,510.56 × 47,370.93
4. Step 4: Simplify right side
   78,900.84x = 5,613,955,442.02
5. Step 5: Solve for x
   x = 5,613,955,442.02/78,900.84
6. Step 6: Final answer
   x = 71,152.04