Finding the Fourth Proportional to 42,048,221.58, 63,072,390.69 and 11,756,055.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,048,221.58 : 63,072,390.69 = 11,756,055.42 : x
2. Step 2: Convert to fraction form
   42,048,221.58/63,072,390.69 = 11,756,055.42/x
3. Step 3: Cross multiply
   42,048,221.58x = 63,072,390.69 × 11,756,055.42
4. Step 4: Simplify right side
   42,048,221.58x = 741,482,520,423,532
5. Step 5: Solve for x
   x = 741,482,520,423,532/42,048,221.58
6. Step 6: Final answer
   x = 17,634,099.44