Finding the Fourth Proportional to 72,048,560.42, 99,426,881.94 and 39,008,805.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,048,560.42 : 99,426,881.94 = 39,008,805.50 : x
2. Step 2: Convert to fraction form
   72,048,560.42/99,426,881.94 = 39,008,805.50/x
3. Step 3: Cross multiply
   72,048,560.42x = 99,426,881.94 × 39,008,805.50
4. Step 4: Simplify right side
   72,048,560.42x = 3,878,523,899,068,922.50
5. Step 5: Solve for x
   x = 3,878,523,899,068,922.50/72,048,560.42
6. Step 6: Final answer
   x = 53,832,080.43