Finding the Fourth Proportional to 72,114,956.08, 99,518,985.84 and 39,075,196.42

Step by Step Solution

1. Step 1: Write the proportion equation
   72,114,956.08 : 99,518,985.84 = 39,075,196.42 : x
2. Step 2: Convert to fraction form
   72,114,956.08/99,518,985.84 = 39,075,196.42/x
3. Step 3: Cross multiply
   72,114,956.08x = 99,518,985.84 × 39,075,196.42
4. Step 4: Simplify right side
   72,114,956.08x = 3,888,723,919,217,199
5. Step 5: Solve for x
   x = 3,888,723,919,217,199/72,114,956.08
6. Step 6: Final answer
   x = 53,923,958.78