Finding the Fourth Proportional to 42,901,484.48, 64,266,064.32 and 19,840,094.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,901,484.48 : 64,266,064.32 = 19,840,094.72 : x
2. Step 2: Convert to fraction form
   42,901,484.48/64,266,064.32 = 19,840,094.72/x
3. Step 3: Cross multiply
   42,901,484.48x = 64,266,064.32 × 19,840,094.72
4. Step 4: Simplify right side
   42,901,484.48x = 1,275,044,803,390,412.25
5. Step 5: Solve for x
   x = 1,275,044,803,390,412.25/42,901,484.48
6. Step 6: Final answer
   x = 29,720,295.67