Finding the Fourth Proportional to 42,082,858.72, 63,068,483.13 and 21,611,751.40

Step by Step Solution

1. Step 1: Write the proportion equation
   42,082,858.72 : 63,068,483.13 = 21,611,751.40 : x
2. Step 2: Convert to fraction form
   42,082,858.72/63,068,483.13 = 21,611,751.40/x
3. Step 3: Cross multiply
   42,082,858.72x = 63,068,483.13 × 21,611,751.40
4. Step 4: Simplify right side
   42,082,858.72x = 1,363,020,378,580,653.75
5. Step 5: Solve for x
   x = 1,363,020,378,580,653.75/42,082,858.72
6. Step 6: Final answer
   x = 32,388,968.34