Finding the Fourth Proportional to 152,791.34, 210,848 and 84,808.12

Step by Step Solution

1. Step 1: Write the proportion equation
   152,791.34 : 210,848 = 84,808.12 : x
2. Step 2: Convert to fraction form
   152,791.34/210,848 = 84,808.12/x
3. Step 3: Cross multiply
   152,791.34x = 210,848 × 84,808.12
4. Step 4: Simplify right side
   152,791.34x = 17,881,622,485.76
5. Step 5: Solve for x
   x = 17,881,622,485.76/152,791.34
6. Step 6: Final answer
   x = 117,032.96