Finding the Fourth Proportional to 56,648.93, 78,186.83 and 43,196.13

Step by Step Solution

1. Step 1: Write the proportion equation
   56,648.93 : 78,186.83 = 43,196.13 : x
2. Step 2: Convert to fraction form
   56,648.93/78,186.83 = 43,196.13/x
3. Step 3: Cross multiply
   56,648.93x = 78,186.83 × 43,196.13
4. Step 4: Simplify right side
   56,648.93x = 3,377,368,256.99
5. Step 5: Solve for x
   x = 3,377,368,256.99/56,648.93
6. Step 6: Final answer
   x = 59,619.28