Finding the Fourth Proportional to 83,886.72, 115,764.84 and 46,161.78

Step by Step Solution

1. Step 1: Write the proportion equation
   83,886.72 : 115,764.84 = 46,161.78 : x
2. Step 2: Convert to fraction form
   83,886.72/115,764.84 = 46,161.78/x
3. Step 3: Cross multiply
   83,886.72x = 115,764.84 × 46,161.78
4. Step 4: Simplify right side
   83,886.72x = 5,343,911,075.82
5. Step 5: Solve for x
   x = 5,343,911,075.82/83,886.72
6. Step 6: Final answer
   x = 63,703.90