Finding the Fourth Proportional to 39,041,974, 58,598,085.98 and 20,861,709.63

Step by Step Solution

1. Step 1: Write the proportion equation
   39,041,974 : 58,598,085.98 = 20,861,709.63 : x
2. Step 2: Convert to fraction form
   39,041,974/58,598,085.98 = 20,861,709.63/x
3. Step 3: Cross multiply
   39,041,974x = 58,598,085.98 × 20,861,709.63
4. Step 4: Simplify right side
   39,041,974x = 1,222,456,254,588,533.75
5. Step 5: Solve for x
   x = 1,222,456,254,588,533.75/39,041,974
6. Step 6: Final answer
   x = 31,311,333.15