Finding the Fourth Proportional to 106,566.69, 147,066.93 and 61,259.34

Step by Step Solution

1. Step 1: Write the proportion equation
   106,566.69 : 147,066.93 = 61,259.34 : x
2. Step 2: Convert to fraction form
   106,566.69/147,066.93 = 61,259.34/x
3. Step 3: Cross multiply
   106,566.69x = 147,066.93 × 61,259.34
4. Step 4: Simplify right side
   106,566.69x = 9,009,223,067.63
5. Step 5: Solve for x
   x = 9,009,223,067.63/106,566.69
6. Step 6: Final answer
   x = 84,540.70