Finding the Fourth Proportional to 33,004,503.17, 49,506,686.72 and 18,621,041.57

Step by Step Solution

1. Step 1: Write the proportion equation
   33,004,503.17 : 49,506,686.72 = 18,621,041.57 : x
2. Step 2: Convert to fraction form
   33,004,503.17/49,506,686.72 = 18,621,041.57/x
3. Step 3: Cross multiply
   33,004,503.17x = 49,506,686.72 × 18,621,041.57
4. Step 4: Simplify right side
   33,004,503.17x = 921,866,071,312,981.88
5. Step 5: Solve for x
   x = 921,866,071,312,981.88/33,004,503.17
6. Step 6: Final answer
   x = 27,931,523.97