Finding the Fourth Proportional to 123,956,756.16, 186,051,627.40 and 64,911,516.99

Step by Step Solution

1. Step 1: Write the proportion equation
   123,956,756.16 : 186,051,627.40 = 64,911,516.99 : x
2. Step 2: Convert to fraction form
   123,956,756.16/186,051,627.40 = 64,911,516.99/x
3. Step 3: Cross multiply
   123,956,756.16x = 186,051,627.40 × 64,911,516.99
4. Step 4: Simplify right side
   123,956,756.16x = 12,076,893,372,992,250
5. Step 5: Solve for x
   x = 12,076,893,372,992,250/123,956,756.16
6. Step 6: Final answer
   x = 97,428,278.60