Finding the Fourth Proportional to 191,878.98, 264,686.69 and 134,603.57

Step by Step Solution

1. Step 1: Write the proportion equation
   191,878.98 : 264,686.69 = 134,603.57 : x
2. Step 2: Convert to fraction form
   191,878.98/264,686.69 = 134,603.57/x
3. Step 3: Cross multiply
   191,878.98x = 264,686.69 × 134,603.57
4. Step 4: Simplify right side
   191,878.98x = 35,627,773,646.56
5. Step 5: Solve for x
   x = 35,627,773,646.56/191,878.98
6. Step 6: Final answer
   x = 185,678.36