Finding the Fourth Proportional to 39,975,911.06, 55,166,775.72 and 21,641,196.56

Step by Step Solution

1. Step 1: Write the proportion equation
   39,975,911.06 : 55,166,775.72 = 21,641,196.56 : x
2. Step 2: Convert to fraction form
   39,975,911.06/55,166,775.72 = 21,641,196.56/x
3. Step 3: Cross multiply
   39,975,911.06x = 55,166,775.72 × 21,641,196.56
4. Step 4: Simplify right side
   39,975,911.06x = 1,193,875,036,937,955.50
5. Step 5: Solve for x
   x = 1,193,875,036,937,955.50/39,975,911.06
6. Step 6: Final answer
   x = 29,864,861.24