Finding the Fourth Proportional to 152,802.47, 210,856.85 and 84,814.10

Step by Step Solution

1. Step 1: Write the proportion equation
   152,802.47 : 210,856.85 = 84,814.10 : x
2. Step 2: Convert to fraction form
   152,802.47/210,856.85 = 84,814.10/x
3. Step 3: Cross multiply
   152,802.47x = 210,856.85 × 84,814.10
4. Step 4: Simplify right side
   152,802.47x = 17,883,632,483.23
5. Step 5: Solve for x
   x = 17,883,632,483.23/152,802.47
6. Step 6: Final answer
   x = 117,037.59