Finding the Fourth Proportional to 77,404.11, 106,784.82 and 47,185.23

Step by Step Solution

1. Step 1: Write the proportion equation
   77,404.11 : 106,784.82 = 47,185.23 : x
2. Step 2: Convert to fraction form
   77,404.11/106,784.82 = 47,185.23/x
3. Step 3: Cross multiply
   77,404.11x = 106,784.82 × 47,185.23
4. Step 4: Simplify right side
   77,404.11x = 5,038,666,292.21
5. Step 5: Solve for x
   x = 5,038,666,292.21/77,404.11
6. Step 6: Final answer
   x = 65,095.59