Finding the Fourth Proportional to 52,908,327.58, 79,372,711.67 and 20,116,346.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,908,327.58 : 79,372,711.67 = 20,116,346.72 : x
2. Step 2: Convert to fraction form
   52,908,327.58/79,372,711.67 = 20,116,346.72/x
3. Step 3: Cross multiply
   52,908,327.58x = 79,372,711.67 × 20,116,346.72
4. Step 4: Simplify right side
   52,908,327.58x = 1,596,688,988,060,310.25
5. Step 5: Solve for x
   x = 1,596,688,988,060,310.25/52,908,327.58
6. Step 6: Final answer
   x = 30,178,405.95