Finding the Fourth Proportional to 99,460.37, 137,266.98 and 55,860.07

Step by Step Solution

1. Step 1: Write the proportion equation
   99,460.37 : 137,266.98 = 55,860.07 : x
2. Step 2: Convert to fraction form
   99,460.37/137,266.98 = 55,860.07/x
3. Step 3: Cross multiply
   99,460.37x = 137,266.98 × 55,860.07
4. Step 4: Simplify right side
   99,460.37x = 7,667,743,111.49
5. Step 5: Solve for x
   x = 7,667,743,111.49/99,460.37
6. Step 6: Final answer
   x = 77,093.45