Finding the Fourth Proportional to 152,779.72, 210,836.09 and 84,796.72

Step by Step Solution

1. Step 1: Write the proportion equation
   152,779.72 : 210,836.09 = 84,796.72 : x
2. Step 2: Convert to fraction form
   152,779.72/210,836.09 = 84,796.72/x
3. Step 3: Cross multiply
   152,779.72x = 210,836.09 × 84,796.72
4. Step 4: Simplify right side
   152,779.72x = 17,878,208,889.62
5. Step 5: Solve for x
   x = 17,878,208,889.62/152,779.72
6. Step 6: Final answer
   x = 117,019.52