Finding the Fourth Proportional to 101,971.91, 152,938.73 and 42,808.10

Step by Step Solution

1. Step 1: Write the proportion equation
   101,971.91 : 152,938.73 = 42,808.10 : x
2. Step 2: Convert to fraction form
   101,971.91/152,938.73 = 42,808.10/x
3. Step 3: Cross multiply
   101,971.91x = 152,938.73 × 42,808.10
4. Step 4: Simplify right side
   101,971.91x = 6,547,015,790.04
5. Step 5: Solve for x
   x = 6,547,015,790.04/101,971.91
6. Step 6: Final answer
   x = 64,204.11