Finding the Fourth Proportional to 42,288,698.70, 63,291,330.45 and 37,186,865.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,288,698.70 : 63,291,330.45 = 37,186,865.10 : x
2. Step 2: Convert to fraction form
   42,288,698.70/63,291,330.45 = 37,186,865.10/x
3. Step 3: Cross multiply
   42,288,698.70x = 63,291,330.45 × 37,186,865.10
4. Step 4: Simplify right side
   42,288,698.70x = 2,353,606,167,443,672.50
5. Step 5: Solve for x
   x = 2,353,606,167,443,672.50/42,288,698.70
6. Step 6: Final answer
   x = 55,655,677.28