Finding the Fourth Proportional to 14,077.89, 21,123.33 and 5,312.07

Step by Step Solution

1. Step 1: Write the proportion equation
   14,077.89 : 21,123.33 = 5,312.07 : x
2. Step 2: Convert to fraction form
   14,077.89/21,123.33 = 5,312.07/x
3. Step 3: Cross multiply
   14,077.89x = 21,123.33 × 5,312.07
4. Step 4: Simplify right side
   14,077.89x = 112,208,607.59
5. Step 5: Solve for x
   x = 112,208,607.59/14,077.89
6. Step 6: Final answer
   x = 7,970.56