Finding the Fourth Proportional to 149,111.98, 223,808.11 and 78,085.58

Step by Step Solution

1. Step 1: Write the proportion equation
   149,111.98 : 223,808.11 = 78,085.58 : x
2. Step 2: Convert to fraction form
   149,111.98/223,808.11 = 78,085.58/x
3. Step 3: Cross multiply
   149,111.98x = 223,808.11 × 78,085.58
4. Step 4: Simplify right side
   149,111.98x = 17,476,184,763.80
5. Step 5: Solve for x
   x = 17,476,184,763.80/149,111.98
6. Step 6: Final answer
   x = 117,201.75