Finding the Fourth Proportional to 101,283,741.60, 139,632,742.72 and 64,095,522.72

Step by Step Solution

1. Step 1: Write the proportion equation
   101,283,741.60 : 139,632,742.72 = 64,095,522.72 : x
2. Step 2: Convert to fraction form
   101,283,741.60/139,632,742.72 = 64,095,522.72/x
3. Step 3: Cross multiply
   101,283,741.60x = 139,632,742.72 × 64,095,522.72
4. Step 4: Simplify right side
   101,283,741.60x = 8,949,833,633,465,674
5. Step 5: Solve for x
   x = 8,949,833,633,465,674/101,283,741.60
6. Step 6: Final answer
   x = 88,363,971.28