Finding the Fourth Proportional to 77,210.82, 106,567.50 and 47,006.10

Step by Step Solution

1. Step 1: Write the proportion equation
   77,210.82 : 106,567.50 = 47,006.10 : x
2. Step 2: Convert to fraction form
   77,210.82/106,567.50 = 47,006.10/x
3. Step 3: Cross multiply
   77,210.82x = 106,567.50 × 47,006.10
4. Step 4: Simplify right side
   77,210.82x = 5,009,322,561.75
5. Step 5: Solve for x
   x = 5,009,322,561.75/77,210.82
6. Step 6: Final answer
   x = 64,878.50